US PATENT SUBCLASS 297 / 267.1
.~.~.~.~.~ With opposing compressible coil spring

Current as of: June, 1999
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297 /   HD   CHAIRS AND SEATS

258.1  DF  ROCKER-MOUNTED {7}
261.1  DF  .~ Track-mounted rocker (e.g., platform rocker) {6}
264.1  DF  .~.~ Spring return to neutral position {3}
265.1  DF  .~.~.~ Coil spring {1}
266.1  DF  .~.~.~.~ Extensible {1}
267.1.~.~.~.~.~ With opposing compressible coil spring

DEFINITION

Classification: 297/267.1

With opposing compressible coil spring:

(under subclass 266.1) Device provided with an additional coil spring which squeezes together upon displacement of the rocker to resist the elongating movement of the extensible coil spring.